bags.ecl cbs.ecl eplex_eg1.ecl eplex_eg2.ecl eplex_eg3.ecl eplex_eg4.ecl eplex_eg5.ecl eplex_eg6.ecl family.ecl farm.ecl greeting.ecl knapsack_ls.ecl lds.ecl queens_ic.ecl queens_prolog.ecl sendmore.ecl shelves.ecl steiner.ecl wcs.ecl